Forms :: Grid-rows Not Displaying Selected-state Correctly After Many VBA Requeries

when i select rows in a ListBox control on a form, using access VBA, some rows behave exactly the opposite of how they're supposed to behave-- they APPEAR unselected when i select them, and selected when i unselect them.

Code:
oListBox.Selected(lngRow) = True

However, when i check their Selected property with VBA they return the expected value (meaning the row Selected value is TRUE if i set it to TRUE, if tho it LOOKS UNselected).

Code:
Print oListBox.Selected(lngRow)
->True

Access ListBox Control Under VBA Control Behaving Wacko - YouTube.It seems that the more times i requery the listbox, the worse the problem gets.

Code:
oListBox.Requery

This problem seems unrelated to the number of times i select rows. Only seems related to multiple requeries. At first, it does not happen. Then with repeated requeries, the problem gets progressively worse. Note, 'Row Source Type' is set to 'Table/Query'. 'Multiselect' is set to 'Simple'.

i'm not using the "Form_" syntax anyplace (which can created unintended instances of forms). this listbox source-query contains a VBA function in a module, which in turn calls the code-behind of another form.